Sentinel - Principal/Sr. Principal Mechanical Engineer (19670)
Northrop Grumman
- Location
- United States-Utah-Roy
- Work model
- On-Site
- Level
- Principal
- Posted
- Sep 17, 2026
Skills
About this role
RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work — and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history. Join Northrop Grumman on our continued mission to push the boundaries of possible across land, sea, air, space, and cyberspace. Enjoy a culture where your voice is valued and start contributing to our team of passionate professionals providing real-life solutions to our world’s biggest challenges. We take pride in creating purposeful work and allowing our employees to grow and achieve their goals every day by Defining Possible. With our competitive pay and comprehensive benefits, we have the right opportunities to fit your life and launch your career today. Northrop Grumman Defense Systems is seeking a Principal or Sr. Principal Mechanical Engineer to join our Command Systems Hardware Design Integration team. This position will be located at Roy, UT to support the Sentinel (GBSD) program in the Strategic Deterrent Systems (SDS) Division. Northrop Grumman supports the Air Force’s sustainment, development, production and deployment of hardware and system modifications for Intercontinental Ballistic Missile (ICBM) Ground and Airborne Launch Control Systems, Launch Facilities and associated infrastructure. This position may be filled at a higher level based on qualifications below. Roles and Responsibilities Join a team of Mechanical, Electrical and Hardware Integration engineers to design hardware systems and components. Apply ASME standard processes and procedures to identify, design, and procure electrical and mechanical hardware. Support design of integrated assemblies in accordance with decomposed requirements, compliance documents, and architecture diagrams in order to support the Sentinel critical design review campaign. Assist in trade studies, Analysis of Alternatives, and create design artifacts to include 3-dimensional models and product data packages which will be documented and released using Siemens- based Product Lifecycle Management (CPLM) and modeling (NX) tools. Required to operate in and capture inputs from a multi-disciplinary engineering environment consisting of Systems, Software, Design, Compliance, and Hardware engineers.
Basic Qualifications
This position may be filled at a Principal Mechanical Engineer level or at a Sr. Principal Mechanical Engineer level Requires a bachelor’s degree in a Science, Technology, Engineering or Mathematics (STEM) discipline from an accredited university with 5 years of related experience; or a master’s degree with 3 years of related experience (Sr. Principal level requires 8 years with a bachelor's; or 6 years with a master's) Must be a US Citizen with an active U.S. Government Secret Security Clearance, at time of application, current and within scope, with an investigation date within the last 6 years Must have the ability to obtain and maintain Special Access Program (SAP) approval within a reasonable period of time, as determined by the company to meet its business needs Requires design experience performing CAD modeling with design tools such as Siemens NX or similar Requires experience with Microsoft (MS) Word, Excel, Power